The 21-year-old joined the Midlands outfit on a three-year deal from Sheffield United last summer and was a standout performer for the Blues in an otherwise disappointing season, scoring seven goals in 42 appearances.

OFFICIAL: We're delighted to announce that @CheAdams14 has signed a new five-year deal with the Club.

Adams was also responsible for scoring the crucial goal that kept Harry Redknapp's side in the Championship on the last day of the season.

In a statement confirming the deal, Birmingham said: "Adams's development on the back of his first full season has made him one of football's hottest properties and the club acted by rewarding him with the new agreement."